OStack Q&A-Knowledge Sharing Community

0 votes

146 views

1 answer

What is the general syntax of a Unix shell command?

In particular, why is that sometimes the options to some commands are preceded by a + sign and sometimes by a - sign ... -nr sort +4n sort +3nr See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

772 views

1 answer

php - Send an Email notification to the admin for pending order status in WooCommerce

In WooCommerce, when a customer goes to checkout from cart and submit the order, if the payment is not processed, the ... . How can I do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

133 views

1 answer

How to export data to a csv file with iOS?

My application has a function which can export some data to a csv file, and then copied to PC. What api to use to implement this function? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

141 views

1 answer

Is the order objects are return by a jQuery selector specified?

All jQuery selectors return an array of objects. Are these objects always in the same order as they are in the HTML? Can I rely on this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.6k views

1 answer

angular - Lazy Loading BrowserModule has already been loaded

I am trying to implement lazy loading but getting error as following ** ERROR Error: Uncaught (in promise): ... ) export class AppModule { } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

465 views

1 answer

android - Gradle is issuing an error "Could not create plugin of type 'AppPlugin'"

I'm trying to create a simple android project with gradle. I work in a computer with Debian GNU/Linux 7 'wheezy ... //compile project(':core') } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

299 views

1 answer

php - How do you make strings "XML safe"?

I am responding to an AJAX call by sending it an XML document through PHP echos. In order to form this XML ... spot. How can this be fixed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

345 views

1 answer

c# - C#6.0 string interpolation localization

C#6.0 have a string interpolation - a nice feature to format strings like: var name = "John"; WriteLine( ... dynamic usage like Dylan proposed. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

113 views

1 answer

How do I find the position of a cursor in a text box? C#

I have a standard WinForms TextBox and I want to insert text at the cursor's position in the text. How can I get the cursor's position? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

413 views

1 answer

c# - Should you implement IDisposable.Dispose() so that it never throws?

For the equivalent mechanism in C++ (the destructor), the advice is that it should usually not throw any exceptions. This ... } catch { } } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

336 views

1 answer

java - creating final variables inside a loop

is this allowed in java: for(int i=0;i<5;i++){ final int myFinalVariable = i; } The keyword of my ... down the road to the garbage collector? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

561 views

1 answer

html - Does HTML5 <video> playback support the .avi format?

I am wondering if the HTML5 <video> tag now supports playback of .avi format video files. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

441 views

1 answer

filesystems - Python causing: IOError: [Errno 28] No space left on device: '../results/32766.html' on disk with lots of space

I am running a Python script that is causing the above error. The unusual thing is this script is running ... and re-mounting the drive See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

491 views

1 answer

objective c - How can I have a UIBarButtonItem with both image and text?

When I try to use an image for a UIBarButtonItem, the text isn't shown. Is there a way to show both the text and the image? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

277 views

1 answer

javascript - How to listen for url change with Chrome Extension

I am writing a Google Chrome extension to automate some common tasks. The functionality I want is as follows: ... be appreciated... thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

xml - Concatenate multiple node values in xpath

I have a XML that looks like this <element1> <element2> <element3> <element4>Hello</element4> <element5> ... .Hello2.Hello3.World.World2.World3 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

381 views

1 answer

ios - How to avoid adding multiple NSNotification observer?

Right now the API doesn't seem to provide a way to detect if an observer has already been added for a ... created a category to facilitate this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

358 views

1 answer

c# - How to make correct date format when writing data to Excel

Iam exporting a DataTable to an Excel-file using office interop. The problem is, that Excel does not recognize dates as ... same as I put it in? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

413 views

1 answer

javascript - Difference between onbeforeunload and onunload

What are the differences between onbeforeunload and onunload ? Also I have a specific question related to it's use ... this issue ? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

247 views

1 answer

java - "The filename or extension is too long error" using gradle

I have recently updated my code and when I tried to run our application using g bootRun in the command line, ... of our project: D:WorkFBXX See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

213 views

1 answer

Cyclic module dependencies and relative imports in Python

Suppose we have two modules with cyclic dependencies: # a.py import b def f(): return b.y x = 42 # b.py ... in the reason for the error anyway. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

470 views

1 answer

algorithm - Sorting an array with minimal number of comparisons

I need some help with my CS homework. I need to write a sorting routine that sorts an array of length ... hints towards the right direction. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

229 views

1 answer

Java + Mysql UTF8 Problem

as the title said, I have a problem between java and mysql The mysql DB, tables, and columns are utf8_unicode_ci. ... as Hi! Any advice? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

250 views

1 answer

How to pass an array argument to the Bash script

It is surprising me that I do not find the answer after 1 hour search for this. I would like to pass ... do test.sh argument1 $i argument2 done See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

132 views

1 answer

What does the `..` mean in git branch reference?

git log origin/master git log origin/master.. What is the exact difference with the above? I'm trying to ... case it does something different. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

253 views

1 answer

python - Regular expression parsing a binary file?

I have a file which mixes binary data and text data. I want to parse it through a regular expression, but I get this ... I'm using Python 3.2.0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

575 views

1 answer

making a paragraph in html contain a text from a file

I have an html paragraph (inside a div) in which I want to display a simple fixed text. The text is a bit ... > Can I do something like that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

695 views

1 answer

events - Difference between onKey(), OnKeyDown() and dispatchKeyEvent() methods provided by Android?

What is the difference between onKey(), OnKeyDown() and dispatchKeyEvent() methods provided by Android? I Would like ... some light into this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags